New York rock act Interpol will kick off a North American tour Oct. 11 in Boston with Secret Machines, On Air Library! and an additional band to be announced. Five European shows and an Oct. 1 appearance on NBC’s “The Tonight Show With Jay Leno” will precede the fall run, which wraps with a Nov. 11-12 hometown stand at Hammerstein Ballroom. Interpol will be touring in support of its sophomore Matador album, “Antics,” due Sept. 28. First single “Slow Hands” will be released Sept. 13 internationally, backed by remixes from Dan “The Automator” Nakamura and Spoon’s Britt Daniel. Tracks from the album can previewed on Interpol’s official Web site. Secret Machines will be out behind their acclaimed Reprise debut, “Now Hear Is Nowhere,” (billboard)